{"id":78346,"date":"2020-04-18T19:42:08","date_gmt":"2020-04-18T17:42:08","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-subd-timescaledb-1-7"},"modified":"2020-04-18T19:42:08","modified_gmt":"2020-04-18T17:42:08","slug":"vypusk-subd-timescaledb-1-7","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/vypusk-subd-timescaledb-1-7","title":{"rendered":"Megjelent a TimescaleDB 1.7 adatb\u00e1zis-kezel\u0151 rendszer","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/timescale\/timescaledb\/releases\/tag\/1.7.0\">Megjelent<\/a><\/noindex>   adatb\u00e1zis-kezel\u0151 rendszerek kiad\u00e1sa <noindex><a rel=\"nofollow\" href=\"https:\/\/www.timescale.com\">TimescaleDB 1.7<\/a><\/noindex>, amely az id\u0151beli sorozatok form\u00e1j\u00e1ban t\u00e1rolja \u00e9s dolgozza fel az adatokat (param\u00e9terek \u00e9rt\u00e9keinek id\u0151szakonk\u00e9nti felv\u00e9tele, amely egy id\u0151t \u00e9s a megfelel\u0151 \u00e9rt\u00e9kek halmaz\u00e1t hozza l\u00e9tre). Ez a t\u00e1rol\u00e1si forma optim\u00e1lis alkalmaz\u00e1sokhoz, mint p\u00e9ld\u00e1ul megfigyel\u0151 rendszerek, keresked\u00e9si platformok, valamint a metrik\u00e1k \u00e9s \u00e9rz\u00e9kel\u0151 \u00e1llapotok gy\u0171jt\u00e9s\u00e9nek rendszerei. Integr\u00e1ci\u00f3s lehet\u0151s\u00e9gek \u00e1llnak rendelkez\u00e9sre a projekttel. <noindex><a rel=\"nofollow\" href=\"https:\/\/grafana.com\/\">Grafan\u00e1ba<\/a><\/noindex> \u00e9s <noindex><a rel=\"nofollow\" href=\"https:\/\/prometheus.io\/\">Prometheus<\/a><\/noindex>. <\/p>\n<p>A TimescaleDB projekt a PostgreSQL kiterjeszt\u00e9sek\u00e9nt val\u00f3sult meg, \u00e9s <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/timescale\/timescaledb\">terjeszt\u00e9sre ker\u00fcl<\/a><\/noindex> Apache 2.0 licenc alatt. <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/timescale\/timescaledb\/tree\/master\/tsl\">A k\u00f3d r\u00e9sze<\/a><\/noindex> kiterjesztett funkci\u00f3kkal k\u00fcl\u00f6n, tulajdonosi licenc alatt ker\u00fcl forgalomba, <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/timescale\/timescaledb\/blob\/master\/tsl\/LICENSE-TIMESCALE\">Timescale<\/a><\/noindex> (TSL), amely nem engedi a m\u00f3dos\u00edt\u00e1st, tiltanak m\u00e1s term\u00e9kekben val\u00f3 felhaszn\u00e1l\u00e1st, \u00e9s nem teszi lehet\u0151v\u00e9 a k\u00f3d ingyenes haszn\u00e1lat\u00e1t felh\u0151alap\u00fa adatb\u00e1zisokban (database-as-a-service). <\/p>\n<p>A TimescaleDB 1.7-ben t\u00f6rt\u00e9nt v\u00e1ltoz\u00e1sok k\u00f6z\u00f6tt:<\/p>\n<ul>\n<li class=\"l\"> Hozz\u00e1adva az adatb\u00e1zisokkal val\u00f3 integr\u00e1ci\u00f3s t\u00e1mogat\u00e1st <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51604\">PostgreSQL 12<\/a><\/noindex>. A PostgreSQL 9.6.x \u00e9s 10.x t\u00e1mogat\u00e1sa elavultnak van nyilv\u00e1n\u00edtva (a Timescale 2.0-ban csak a PostgreSQL 11+ t\u00e1mogat\u00e1sa marad).\n<li class=\"l\"> Megv\u00e1ltozott a folyamatosan fut\u00f3 aggreg\u00e1l\u00f3 f\u00fcggv\u00e9nyekkel kapcsolatos lek\u00e9rdez\u00e9sek viselked\u00e9se (a val\u00f3s id\u0151ben \u00e9rkez\u0151 adatok aggreg\u00e1l\u00e1sa). Az ilyen lek\u00e9rdez\u00e9sek most m\u00e1r a materializ\u00e1lt n\u00e9zeteket kombin\u00e1lj\u00e1k a legfrissebb be\u00e9rkez\u0151 adatokkal, amelyek m\u00e9g nem materializ\u00e1l\u00f3dtak (kor\u00e1bban az aggreg\u00e1l\u00e1s csak a m\u00e1r materializ\u00e1lt adatokat fedte le). Az \u00faj viselked\u00e9s az \u00fajonnan l\u00e9trehozott folyamatos aggreg\u00e1l\u00e1sokra vonatkozik; a megl\u00e9v\u0151 n\u00e9zetekhez be kell \u00e1ll\u00edtani a &#171;timescaledb.materialized_only=false&#187; param\u00e9tert az &#171;ALTER VIEW&#187; parancs seg\u00edts\u00e9g\u00e9vel.\n<li class=\"l\"> A Community verzi\u00f3ba n\u00e9h\u00e1ny kiterjesztett adatkezel\u00e9si eszk\u00f6z ker\u00fclt \u00e1t a kereskedelmi kiad\u00e1sb\u00f3l, bele\u00e9rtve az adatok \u00fajracsoportos\u00edt\u00e1si lehet\u0151s\u00e9geit \u00e9s a r\u00e9gi adatok elt\u00e1vol\u00edt\u00e1si politik\u00e1inak kezel\u00e9s\u00e9t (lehet\u0151v\u00e9 teszi csak a relev\u00e1ns adatok t\u00e1rol\u00e1s\u00e1t, \u00e9s automatikusan t\u00f6rli, aggreg\u00e1lja vagy archiv\u00e1lja a r\u00e9gi bejegyz\u00e9seket).\n<\/ul>\n<p>Ne felejts\u00fck el, hogy a TimescaleDB adatb\u00e1zis-kezel\u0151 rendszer teljes k\u00f6r\u0171 SQL-lek\u00e9rdez\u00e9seket tesz lehet\u0151v\u00e9 a felhalmozott adatok elemz\u00e9s\u00e9re, \u00f6tv\u00f6zve a rel\u00e1ci\u00f3s adatb\u00e1zisok k\u00e9nyelm\u00e9t a m\u00e9retezhet\u0151s\u00e9ggel \u00e9s a specializ\u00e1lt NoSQL rendszerek k\u00e9pess\u00e9geivel. A t\u00e1rol\u00e1si strukt\u00fara optimaliz\u00e1lva van a gyors adatbevitel biztos\u00edt\u00e1sa \u00e9rdek\u00e9ben. T\u00e1mogatja az adathalmozott adathalmazok t\u00f6meges hozz\u00e1ad\u00e1s\u00e1t, a mem\u00f3ri\u00e1ban elhelyezett indexek haszn\u00e1lat\u00e1t, a t\u00f6rt\u00e9neti adatbet\u00f6lt\u00e9st visszamen\u0151leg, valamint a tranzakci\u00f3k alkalmaz\u00e1s\u00e1t.<\/p>\n<p>A TimescaleDB kulcsfontoss\u00e1g\u00fa jellemz\u0151je az automatikus szegment\u00e1l\u00e1s (particion\u00e1l\u00e1s) t\u00e1mogat\u00e1sa. Az adatok bej\u00f6v\u0151 \u00e1raml\u00e1sa automatikusan sz\u00e9toszlik a szegment\u00e1lt t\u00e1bl\u00e1k k\u00f6z\u00f6tt. A szegmensek az id\u0151 f\u00fcggv\u00e9ny\u00e9ben (minden szegmens egy adott id\u0151szak adatait t\u00e1rolja) vagy egy tetsz\u0151leges kulcshoz (p\u00e9ld\u00e1ul eszk\u00f6zazonos\u00edt\u00f3, helysz\u00edn stb.) k\u00f6t\u0151dve j\u00f6nnek l\u00e9tre. A teljes\u00edtm\u00e9ny optimaliz\u00e1l\u00e1sa \u00e9rdek\u00e9ben a szegment\u00e1lt t\u00e1bl\u00e1k k\u00fcl\u00f6nb\u00f6z\u0151 lemezekre is eloszthat\u00f3k. <\/p>\n<p>A lek\u00e9rdez\u00e9sek sz\u00e1m\u00e1ra a szekcion\u00e1lt adatb\u00e1zis egy nagy t\u00e1bl\u00e1zatk\u00e9nt jelenik meg, amelyet hipert\u00e1bl\u00e1nak neveznek. A hipert\u00e1bla egy virtu\u00e1lis megjelen\u00edt\u00e9se sz\u00e1mos k\u00fcl\u00f6n\u00e1ll\u00f3 t\u00e1bl\u00e1zatnak, amelyekben az \u00e9rkez\u0151 adatok gy\u0171lnek \u00f6ssze. A hipert\u00e1bl\u00e1t nemcsak lek\u00e9rdez\u00e9sekhez \u00e9s adatok hozz\u00e1ad\u00e1s\u00e1hoz haszn\u00e1lj\u00e1k, hanem olyan m\u0171veletekhez is, mint az indexek l\u00e9trehoz\u00e1sa \u00e9s a strukt\u00fara m\u00f3dos\u00edt\u00e1sa (&#171;ALTER TABLE&#187;), elrejtve a fejleszt\u0151 el\u0151l az alacsony szint\u0171 szegment\u00e1lt adatb\u00e1zis-strukt\u00far\u00e1t. A hipert\u00e1bla b\u00e1rmilyen aggreg\u00e1l\u00f3 f\u00fcggv\u00e9nnyel, al-lek\u00e9rdez\u00e9sekkel, hagyom\u00e1nyos t\u00e1bl\u00e1zatokkal v\u00e9gzett \u00f6sszevon\u00e1si (JOIN) m\u0171veletekkel \u00e9s ablakf\u00fcggv\u00e9nyekkel haszn\u00e1lhat\u00f3.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Forr\u00e1s: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52759\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0421\u0423\u0411\u0414 TimescaleDB 1.7, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0439 \u0434\u043b\u044f \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u0444\u043e\u0440\u043c\u0435 \u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0433\u043e \u0440\u044f\u0434\u0430 (\u0441\u0440\u0435\u0437\u044b \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u043e\u0432 \u0447\u0435\u0440\u0435\u0437 \u0437\u0430\u0434\u0430\u043d\u043d\u044b\u0435 \u043f\u0440\u043e\u043c\u0435\u0436\u0443\u0442\u043a\u0438 \u0432\u0440\u0435\u043c\u0435\u043d\u0438, \u0437\u0430\u043f\u0438\u0441\u044c \u043e\u0431\u0440\u0430\u0437\u0443\u0435\u0442 \u0432\u0440\u0435\u043c\u044f \u0438 \u043d\u0430\u0431\u043e\u0440 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0445 \u044d\u0442\u043e\u043c\u0443 \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439). \u041f\u043e\u0434\u043e\u0431\u043d\u0430\u044f \u0444\u043e\u0440\u043c\u0430 \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u043e\u043f\u0442\u0438\u043c\u0430\u043b\u044c\u043d\u0430 \u0434\u043b\u044f \u0442\u0430\u043a\u0438\u0445 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u043a\u0430\u043a \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043c\u043e\u043d\u0438\u0442\u043e\u0440\u0438\u043d\u0433\u0430, \u0442\u043e\u0440\u0433\u043e\u0432\u044b\u0435 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b, \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0441\u0431\u043e\u0440\u0430 \u043c\u0435\u0442\u0440\u0438\u043a \u0438 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0439 \u0434\u0430\u0442\u0447\u0438\u043a\u043e\u0432. \u041f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430 \u0434\u043b\u044f \u0438\u043d\u0442\u0435\u0433\u0440\u0430\u0446\u0438\u0438 \u0441 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u043c [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-78346","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0421\u0423\u0411\u0414 TimescaleDB.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/hu\/blog\/news\/vypusk-subd-timescaledb-1-7\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" 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